CVE-2026-35333

strongSwan 5.9.13 - DoS

STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-35333. PoCs published by Lukas Johannes Moeller.

AI-analyzed exploit summary This exploit demonstrates a pre-authentication denial-of-service (DoS) vulnerability in strongSwan's RADIUS DAE plugin by sending a malformed RADIUS Access-Request packet with a zero-length attribute, causing an infinite loop in the worker thread.

Description

strongSwan 5.9.13 - DoS

Exploits (1)

exploitdb WORKING POC
by Lukas Johannes Moeller · pythondosmultiple
https://www.exploit-db.com/exploits/52586

This exploit demonstrates a pre-authentication denial-of-service (DoS) vulnerability in strongSwan's RADIUS DAE plugin by sending a malformed RADIUS Access-Request packet with a zero-length attribute, causing an infinite loop in the worker thread.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: strongSwan <= 5.9.13 (with eap-radius plugin and DAE enabled)
No auth needed
Prerequisites: strongSwan with eap-radius plugin built with DAE enabled · DAE listener bound on UDP/3799 · network access to the target
devstral-2 · analyzed May 30, 2026 Full analysis →

Details

Status draft
Tracked Since May 30, 2026